要建立一个学生成绩的随机文件，如下定义了学生的记录类型，由学号、姓名、三门课
程成绩(百分制)组成，下列程序段正确的是( )。

A．Typepestudl
no As Integer
name As String
score(1 To 3)As Single
End Type
B．Typestudl
no As Integer
no As Integer
name As String*10
score()As Single
End Type
C．Typestudl
no As Integer
name As String*10
score(1 To 3)As Single
End Type
D．Typestudl
no As Integer
name As String
score(1 To 3)As Single
End Type